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Semiannual Report to Congress, September 1, 2025 through March 31, 2026

OIG-26-2SP Published: May 19, 2026. Publicly Released: May 19, 2026.
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Fast Facts

GAO's Office of Inspector General (the OIG) independently conducts reviews of GAO programs and operations and investigates potential violations of law or policy involving GAO employees, contractors, programs, and operations. During the first half of fiscal year 2026, the OIG closed 18 GAO related investigations, continued work on five engagements, and initiated four engagements. The OIG continues to take steps to strengthen its independence and seeks a budget floor similar to that of other OIGs to ensure impactful oversight over GAO.

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Highlights

This report was submitted to the Acting Comptroller General in accordance with Section 5 of the Government Accountability Office (GAO) Act of 2008. The report summarizes the activities of GAO's Office of Inspector General (OIG) for the 6-month reporting period ending March 31, 2026.

During this reporting period, the OIG closed 18 GAO related investigations, opened nine new GAO related investigations, and processed 51 substantive hotline complaints. The OIG also continued work on five engagements and initiated four engagements.

For the first time, the OIG will operate under a new Comptroller General, and the type of support that the OIG received from the previous Comptroller General is not assured. With the support of current GAO leadership, the OIG continues to seek a budget floor in fiscal year 2027, so the OIG can keep Congress and future Comptroller Generals fully and currently informed about issues and deficiencies relating to the administration of GAO programs and operations.

For more information, contact the OIG at oig@gao.gov.

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Criminal investigationsSemiannual reportAgency evaluationsCompliance oversightPersonally identifiable informationSensitive dataPersonnel security clearancesInspectors generalManagement challengesTaxpayers